在awesome_nested_set中,我可以在rails控制台中执行此 *** 作
a = Account.newa.children.build
当我输入a.children时,即使我的帐户父项尚未创建,我也可以在那里看到新的孩子.这允许我显示一个包含父帐户和一些空白孩子的表单,然后在提交时我会忽略任何空白孩子并创建整个批次.
如果我尝试使用祖先做同样的事情,我会收到以下错误:
a=Account.newa.childrenAncestry::AncestryException: No child ancestry for new record. Save record before performing tree operations. from /home/map7/.rvm/gems/ruby-1.9.2-p180/gems/ancestry-1.2.4/lib/ancestry/instance_methods.rb:62:in `child_ancestry' from /home/map7/.rvm/gems/ruby-1.9.2-p180/gems/ancestry-1.2.4/lib/ancestry/instance_methods.rb:132:in `child_conditions' from /home/map7/.rvm/gems/ruby-1.9.2-p180/gems/ancestry-1.2.4/lib/ancestry/instance_methods.rb:136:in `children' from (irb):8 from /home/map7/.rvm/gems/ruby-1.9.2-p180/gems/railtIEs-3.0.7/lib/rails/commands/console.rb:44:in `start' from /home/map7/.rvm/gems/ruby-1.9.2-p180/gems/railtIEs-3.0.7/lib/rails/commands/console.rb:8:in `start' from /home/map7/.rvm/gems/ruby-1.9.2-p180/gems/railtIEs-3.0.7/lib/rails/commands.rb:23:in `<top (required)>' from script/rails:6:in `require' from script/rails:6:in `<main>'
这是祖先的限制吗?
我有不同的方式可以使用祖先创建嵌套表单?
虽然它不理想,但目前我正在使用children.create而不是children.build.
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